Lithium flame test

Credit: ANDREW LAMBERT PHOTOGRAPHY/SCIENCE PHOTO LIBRARY

Caption: Flame test. Lithium burning in the flame of a bunsen burner producing a red flame. The colour of the flame is caused by electrons that have been excited to a higher energy state. When they relax they emit energy in the form of a characteristic wavelength of light. The colour of the flame is different for different elements and can be used to identify unknown substances.

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Keywords: analysis, analytical, bunsen burner, burning, chemical, chemicals, chemistry, combusting, combustion, demo, demonstration, education, emissions, emitting, energy states, experiment, flame, flame test, flames, intensity, lesson, lessons, light emission, lithium, practical, reaction, reactions, red, school, state, tests

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